3563256128 has 14 divisors (see below), whose sum is σ = 7070836506. Its totient is φ = 1781628032.

The previous prime is 3563256127. The next prime is 3563256271. The reversal of 3563256128 is 8216523653.

It can be written as a sum of positive squares in only one way, i.e., 2958489664 + 604766464 = 54392^2 + 24592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3563256127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27837875 + ... + 27838002.

Almost surely, 2^3563256128 is an apocalyptic number.

It is an amenable number.

3563256128 is a deficient number, since it is larger than the sum of its proper divisors (3507580378).

3563256128 is an equidigital number, since it uses as much as digits as its factorization.

3563256128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55675889 (or 55675879 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 3563256128 is about 59693.0157388618. The cubic root of 3563256128 is about 1527.3867315916.

The spelling of 3563256128 in words is "three billion, five hundred sixty-three million, two hundred fifty-six thousand, one hundred twenty-eight".